$\"\"$

\

The expression is $\"\"$ .

\

$\"\"$ (Write $\"\"$ as $\"\"$ )

\

$\"\"$ (Apply distributive property: $\"\"$ )

\

$\"\"$ (Subtract: $\"\"$ )

\

Write $\"\"$ in scientific notation.

\

$\"\"$

\

$\"\"$

\

The solution is $\"\"$ .